Waves and Oscillation MCQs

Waves and Oscillation MCQs

1.Over-damping(gradual reduction of  excessive oscillation) is because of…

1. arrhythmic return to equilibrium
2. faster return to equilibrium
3. equilibrium is never achieved
4. slower return to equilibrium

2. Natural frequency of a guitar string can be changed by changing it’s
3. stiffness
4. area
5. diameter
6. length

3. In S.H.M(Simple Harmonic Motion) velocity at equilibrium position is
4. minimum
5. constant
6. zero
7. maximum

4. Maximum displacement from equilibrium position is
5. Frequency
6. Amplitude
7. Wavelength
8. Period

5.  Which one of the given cannot receive the4 ultrasonic
6. Dolphin
7. Human Being
8. mouse
9. Rat

6. A spring of force constant K is cut into two pieces such that one piece is double the length of the other. Then the longer piece3 will have a force constant of
7. 3/2K
8. 3K
9. 9K
10. 6K

7.Displacement-time graph depicting(Represent by Drawing) an oscillatory motion is

1. cos curve
2. sine curve
3. tangent curve
4. straight line

8. Maximum displacement(action of moving some thing) from equilibrium position is
9. frequency
10. wavelength
11. period
12. amplitude

9. If time period of an oscillation is 0.40 s what will be it’s frequency is
10. 2 Hz
11. 5 Hz
12. 3 Hz
13. 5 Hz

10. In cars, springs are damped by
11. shock absorbers
12. engine
13. tyres
14. brake pedals

11. Our eyes detect oscillations up to
12. 5 Hz
13. 9 Hz
14. 6 Hz
15. 8 Hz

12. A force that acts to return mass to it’s equilibrium position is called
13. frictional force
14. restoring force
15. normal force
16. contact force